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Cell Relay Retreat>MPLS-OPS Archive>month:2004-Sep> msg00107



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Re: IP Routing problem after enabling MPLS?

  • From: Jon Lewis <jlewis@lewis.org>
  • Date: Wed, 15 Sep 2004 21:55:01 -0400 (EDT)
  • cc: mpls-ops@mplsrc.com
  • Resent-Date: Wed, 15 Sep 2004 22:40:05 -0400
  • X-X-Sender: jlewis@web1.mmaero.com

On Wed, 15 Sep 2004, Garry Glendown wrote:

> P.S. - checked cisco.com - seems like the 29XL/35XL catalysts support
> MTUs of up to something like 20xx bytes from 12.0(5.2) ... I have
> 12.0(5) running ... I guess there goes my 1 1/2 years uptime ... :(

You can (will need to) increase the MTU of the switch ports that need to
carry tag switched packets.  An unfortunate side effect is that the switch
will count all tagged packets as giants and you'll see huge error
counters...but at least the traffic passes.

----------------------------------------------------------------------
 Jon Lewis                   |  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________

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